a(1)=1, a(2)=1, a(n)=(2^(a(n−1)) + 1)/a(n−2)

a(1)=1, a(2)=1, a(n)=(2^(a(n−1)) + 1)/a(n−2) — qed.bot Claims, announcements and changes recorded against a(1)=1, a(2)=1, a(n)=(2^(a(n−1)) + 1)/a(n−2). https://qed.bot/feeds/s/oeis-78590.xml 2026-09-30T14:34:03Z qed.bot